Our professional GIA trained staff will assist you in selecting the diamond that meets your requirements, while remaining within your budget. Zwillinger & Company will provide a complete diamond education beginning with the "Four C's" and going beyond. We have a wide selection of GIA, EGL, and AGS certified loose diamonds in every shape, size, and quality. Our prices are 25% to 50% below retail and our outstanding reputation of quality and integrity will assure you of receiving the best value. A written appraisal is provided with every diamond we sell.

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